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Filing UW - 260345

Company: Washington Water Service Company
DBA:
Filing Type: Petition
Case Status: Closed
Dates (Opened & Effective): 04/29/2026 & 07/11/2026
Summary: Petition for accounting deferral of costs associated with developing a comprehensive service line inventory required by 40 C.F.R. Parts 141 and 142. Under WAC 480-07-370(3)(b), Washington Water Service Company is requesting accounting deferral of all costs related to completing the service line inventory, including expense, capital, and carrying costs. The Company seeks to defer costs from October 1, 2025, through December 1, 2027, to track and preserve costs for separate ratemaking treatment.

 

Document Type Date Description
Order - Open Meeting Final 06/26/2026 Order 01, Complaint and Order Suspending Tariff Revisions
Response 06/24/2026 Response To Recommendations of Staff of the UTC In Regards To The Company's Petition For Accounting Deferral, on behalf of Washington Water Service Company, from Jocelyn Pease.
Agenda 06/24/2026 Public Agenda for June 25, 2026.
Open Meeting Memo 06/25/2026 Open Meeting Memo for the June 25, 2026 Open Meeting.
MAIN SERVICE LIST 06/26/2026 Main Service List
Initial Filing 04/29/2026 Petition for an Order Approving Deferral of Costs Associated with Developing a Comprehensive Service Line Inventory, on behalf of Washington Water Service Company, from Jocelyn. Pease.